Motorcycle Sprocket with Chain Guangzhou Tianma Group Tianma Motorcycle Co., Ltd. Base Info Model NO.:sprocket with chainType:SprocketMaterial:IronCertification:CCC, ISO9001:2000Color:SilverTrademark:KTM; TIANMAOrigin:ChinaHS Code:8714100090 Description Pre:Motorcycle Gas Pipe-in Next:Sprocket 45# Steel High Frequency Quenching Ni Ti